Troy C. Ellis, MD
NPI 1356491997ActiveIndividual· Dermatology· Peoria, AZ
Dermatology (MD) in Peoria, Arizona, trained at Columbia University College of Physicians and Surgeons (class of 2005). 1,262 Medicare patients in 2024, $303,735 paid; nearly all of their 1,021 Part D prescriptions were generic (97%). Ucb, Inc. was the largest of 22 companies reporting payments in 2025, $2,463 in all, mostly food and beverage.
Overview
| NPI | 1356491997 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 12, 2007 |
| Last updated in NPPES | Jan 26, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 49391 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Dermatology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,262 |
|---|---|
| Services billed | 6,335 across 35 procedure codes |
| Paid by Medicare | $303,735 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,021 · 1,286 30-day fills |
|---|---|
| Patients | 529 |
| Total drug cost | $124,337 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Dermatology |
Medical group
- Southwest Skin Specialists LLCScottsdale, AZ · 52 clinicians
Industry payments (Open Payments)
- 2025$2,463 · 97 payments from 22 companies
- 2024$2,939 · 108 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $578.62 | 13 |
| Regeneron Healthcare Solutions, Inc. | $290.00 | 13 |
| Sun Pharmaceutical Industries Inc. | $246.86 | 10 |
| Abbott Laboratories | $230.83 | 5 |
| Abbvie Inc. | $172.66 | 9 |
What the 2025 payments were for
- Food and Beverage$2,463 · 97 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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